<?php
/*
  $Id: currencies.php,v 1.16 2003/06/05 23:16:46 hpdl Exp $

  osCommerce, Open Source E-Commerce Solutions
  http://www.oscommerce.com

  Copyright (c) 2003 osCommerce

  Released under the GNU General Public License
 */

////
// Class to handle currencies
// TABLES: currencies
class currencies {

    var $currencies;

// class constructor
    function currencies() {
        $this->currencies = array();
        $currencies_query = tep_db_query("select code, title, symbol_left, symbol_right, decimal_point, thousands_point, decimal_places, value from " . TABLE_CURRENCIES);
        while ($currencies = tep_db_fetch_array($currencies_query)) {
            $this->currencies[$currencies['code']] = array('title' => $currencies['title'],
                'symbol_left' => $currencies['symbol_left'],
                'symbol_right' => $currencies['symbol_right'],
                'decimal_point' => $currencies['decimal_point'],
                'thousands_point' => $currencies['thousands_point'],
                'decimal_places' => $currencies['decimal_places'],
                'value' => $currencies['value']);
        }
    }

// class methods
    function format($number, $calculate_currency_value = true, $currency_type = '', $currency_value = '') {
        global $currency;

        if (empty($currency_type))
            $currency_type = $currency;

        if ($calculate_currency_value == true) {
            $rate = (tep_not_null($currency_value)) ? $currency_value : $this->currencies[$currency_type]['value'];
            $format_string = $this->currencies[$currency_type]['symbol_left'] . number_format(tep_round($number * $rate, $this->currencies[$currency_type]['decimal_places']), $this->currencies[$currency_type]['decimal_places'], $this->currencies[$currency_type]['decimal_point'], $this->currencies[$currency_type]['thousands_point']) . $this->currencies[$currency_type]['symbol_right'];
// if the selected currency is in the european euro-conversion and the default currency is euro,
// the currency will displayed in the national currency and euro currency
            if ((DEFAULT_CURRENCY == 'EUR') && ($currency_type == 'DEM' || $currency_type == 'BEF' || $currency_type == 'LUF' || $currency_type == 'ESP' || $currency_type == 'FRF' || $currency_type == 'IEP' || $currency_type == 'ITL' || $currency_type == 'NLG' || $currency_type == 'ATS' || $currency_type == 'PTE' || $currency_type == 'FIM' || $currency_type == 'GRD')) {
                $format_string .= ' <small>[' . $this->format($number, true, 'EUR') . ']</small>';
            }
        } else {
            $format_string = $this->currencies[$currency_type]['symbol_left'] . number_format(tep_round($number, $this->currencies[$currency_type]['decimal_places']), $this->currencies[$currency_type]['decimal_places'], $this->currencies[$currency_type]['decimal_point'], $this->currencies[$currency_type]['thousands_point']) . $this->currencies[$currency_type]['symbol_right'];
        }

        return $format_string;
    }

    function is_set($code) {
        if (isset($this->currencies[$code]) && tep_not_null($this->currencies[$code])) {
            return true;
        } else {
            return false;
        }
    }

    function get_value($code) {
        return $this->currencies[$code]['value'];
    }

    function get_decimal_places($code) {
        return $this->currencies[$code]['decimal_places'];
    }

    //CGDiscountSpecials start
    function display_price($products_price, $products_tax, $quantity = 1) {
        global $customer_id;
        $query_price_to_guest = tep_db_query("select configuration_value from " . TABLE_CONFIGURATION . " WHERE configuration_key = 'ALLOW_GUEST_TO_SEE_PRICES'");
        $query_price_to_guest_result = tep_db_fetch_array($query_price_to_guest);

        if (($query_price_to_guest_result['configuration_value'] == 'true') && !(tep_session_is_registered('customer_id'))) {
            $query_guest_discount = tep_db_query("select configuration_value from " . TABLE_CONFIGURATION . " WHERE configuration_key = 'GUEST_DISCOUNT'");
            $query_guest_discount_result = tep_db_fetch_array($query_guest_discount);
            $customer_discount = $query_guest_discount_result['configuration_value'];
            if ($customer_discount >= 0) {
                $products_price = $products_price + $products_price * abs($customer_discount) / 100;
            } else {
                $products_price = $products_price - $products_price * abs($customer_discount) / 100;
            }
            return $this->format(tep_add_tax($products_price, $products_tax) * $quantity);
        } elseif (tep_session_is_registered('customer_id')) {
            $query = tep_db_query("select g.customers_groups_discount from " . TABLE_CUSTOMERS_GROUPS . " g inner join  " . TABLE_CUSTOMERS . " c on g.customers_groups_id = c.customers_groups_id and c.customers_id = '" . $customer_id . "'");
            $query_result = tep_db_fetch_array($query);
            $customers_groups_discount = $query_result['customers_groups_discount'];
            $query = tep_db_query("select customers_discount from " . TABLE_CUSTOMERS . " where customers_id =  '" . $customer_id . "'");
            $query_result = tep_db_fetch_array($query);
            $customer_discount = $query_result['customers_discount'];
            $customer_discount = $customer_discount + $customers_groups_discount;
            if ($customer_discount >= 0) {
                $products_price = $products_price + $products_price * abs($customer_discount) / 100;
            } else {
                $products_price = $products_price - $products_price * abs($customer_discount) / 100;
            }
            return $this->format(tep_add_tax($products_price, $products_tax) * $quantity);
        } else {
            return PRICES_LOGGED_IN_TEXT;
        }
    }

    function display_price_nodiscount($products_price, $products_tax, $quantity = 1) {
        global $customer_id;
        $query_price_to_guest = tep_db_query("select configuration_value from " . TABLE_CONFIGURATION . " WHERE configuration_key = 'ALLOW_GUEST_TO_SEE_PRICES'");
        $query_price_to_guest_result = tep_db_fetch_array($query_price_to_guest);
        if (($query_price_to_guest_result['configuration_value'] == 'true') && !(tep_session_is_registered('customer_id'))) {
            return $this->format(tep_add_tax($products_price, $products_tax) * $quantity);
        } elseif (tep_session_is_registered('customer_id')) {
            return $this->format(tep_add_tax($products_price, $products_tax) * $quantity);
        } else {
            return PRICES_LOGGED_IN_TEXT;
        }
    }
    //CGDiscountSpecials end
}
?>